公开(公告)号：US20180269477A1

公开(公告)日：2018-09-20

申请号：US15763141

申请日：2016-09-23

Applicant: Umicore ,  Umicore Korea Ltd.

Inventor： Liang ZHU ,  Randy DE PALMA ,  Hyo Sun AHN ,  Sung Jun CHO ,  Daniël NELIS ,  Kris DRIESEN

IPC: H01M4/525 ,  C01G53/00 ,  H01M4/505 ,  H01M10/0525

Abstract: A particulate precursor compound for manufacturing a lithium transition metal (M)-oxide powder for use as an active positive electrode material in lithium-ion batteries, wherein (M) is NixMnyCozAv, A being a dopant, wherein 0.33≤x≤0.60, 0.20≤y≤0.33, and 0.20≤z≤0.33, v≤0.05, and x+y+z+v=1, the precursor comprising Ni, Mn and Co in a molar ratio x:y:z and having a specific surface area BET in m2/g and a sulfur content S expressed in wt %, wherein formula (I).

公开(公告)号：US10069140B2

公开(公告)日：2018-09-04

申请号：US14650974

申请日：2013-11-28

Applicant: UMICORE ,  UMICORE KOREA LTD.

Inventor： Jens Paulsen ,  HyeYun Yang

IPC: H01M4/36 ,  H01M4/54 ,  H01M4/525 ,  H01M4/485 ,  H01M4/505 ,  H01M4/48 ,  C01G51/00 ,  C01G53/00 ,  H01M4/131 ,  H01M10/052 ,  H01M10/0525 ,  H01M4/02

Abstract: A bimodal lithium transition metal oxide based powder for a rechargeable battery, comprising: a first lithium transition metal oxide based powder, either comprising a material having a layered crystal structure consisting of the elements Li, a metal M and oxygen, wherein the Li content is stoichiometrically controlled, wherein the metal M has the formula M=Co1−aM′a, with 0≤a≤0.05, and wherein M′ is either one or more metals of the group consisting of Al, Ga and B; or comprising a core material and a surface layer, the core having a layered crystal structure consisting of the elements Li, a metal M and oxygen, wherein the Li content is stoichiometrically controlled, wherein the metal M has the formula M=Co1−aM′a, with 0≤a≤0.05, wherein M′ is either one or more metals of the group consisting of Al, Ga and B; and the surface layer consisting of a mixture of the elements of the core material and inorganic N-based oxides, wherein N is either one or more metals of the group consisting of Mg, Ti, Fe, Cu, Ca, Ba, Y, Sn, Sb, Na, Zn, Zr, Si, Nb, Mo, Ru, Rh, Pd, Ag, Cd, Sc, Ce, Pr, Nd, Gd, Dy, and Er; the first powder having an average particle size (D50) of at least 15 μm; and a second lithium transition metal oxide based powder having the formula Li1+bN′1−bO2, wherein 0.10≤b≤0.25, and N′═NixMnyCozAd, wherein 0.10≤x≤0.60, 0.30≤y≤0.80, 0.05≤z≤0.20 and 0≤d≤0.10, A being a dopant, the second powder having an average particle size (D50) of less than 5 μm, and preferably less than 2 μm.

公开(公告)号：US20180190976A1

公开(公告)日：2018-07-05

申请号：US15738219

申请日：2016-06-30

Applicant: Umicore ,  Umicore Korea Ltd.

Inventor： Maxime BLANGERO ,  Da-In CHOI ,  Shinichi KUMAKURA

IPC: H01M4/36 ,  C01G51/00 ,  C01B25/30 ,  H01M4/525 ,  H01M4/58 ,  H01M10/0525

CPC classification number: H01M4/366 ,  C01B25/30 ,  C01G51/42 ,  C01G51/66 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/85 ,  C01P2004/03 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2004/80 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/028 ,  H01M2220/30

Abstract: A layered lithium metal oxide powder for a cathode material used in a rechargeable battery, with the general formula (1−x)[Lia-bAb]3a[CO1-cMc]3b[O2-d-eN′e]6c.xLi3PO4, with 0.0001≤x≤0.05, 0.90≤a≤1.10, 0

公开(公告)号：US20180034045A1

公开(公告)日：2018-02-01

申请号：US15545348

申请日：2016-01-20

Applicant: Umicore ,  Umicore Korea Ltd.

Inventor： Xin XIA ,  Jens PAULSEN ,  Shinichi KUMAKURA ,  Song-Yi HAN

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/525 ,  H01M4/131 ,  H01M4/505

CPC classification number: H01M4/366 ,  C01G53/50 ,  C01P2002/54 ,  C01P2002/80 ,  C01P2004/84 ,  C01P2006/40 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028

Abstract: This invention discloses a lithium metal oxide powder for a cathode material in a rechargeable battery, consisting of a core and a surface layer, the core having a layered crystal structure comprising the elements Li, M and oxygen, wherein M has the formula M=(Niz(Ni1/2Mn1/2)yCox)1-kAk, with 0.15≦x≦0.30, 0.20≦z≦0.55, x+y+z=1 and 0≦k≦0.1, wherein A is a dopant, wherein the Li content is stoichiometrically controlled with a molar ratio 0.95≦Li:M≦1.10; and wherein the surface layer comprises the elements Li, M′ and oxygen, wherein M′ has the formula M′=(Niz′(Ni1/2Mn1/2)y′Cox′)1-k′Ak′, with x′+y′+z′=1 and 0≦k′≦0.1, and wherein y′/(y′+2z′)≧1.1*[y/(y+2z)]. The surface layer may also comprise at least 3 mol % Al, the Al content in the surface layer 10 being determined by XPS.

公开(公告)号：US20170309894A1

公开(公告)日：2017-10-26

申请号：US15517276

申请日：2015-09-30

Applicant: Umicore ,  Umicore Korea LTD

Inventor： Jin HU ,  HeonPyo HONG ,  Jens PAULSEN ,  JinDoo OH ,  Daniël NELIS ,  Eric ROBERT

IPC: H01M4/1391 ,  H01M4/04 ,  H01M4/505 ,  H01M10/052 ,  H01M4/525

CPC classification number: H01M4/1391 ,  C01G53/006 ,  C01G53/44 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2002/72 ,  C01P2004/32 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/0471 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  Y02T10/7011

Abstract: A method for producing a M-carbonate precursor of a Li-M oxide cathode material in a continuous reactor, wherein M=NixMnyCozAn, A being a dopant, with x>0, y>0, 0≦z≦0.35, 0≦n≦0.02 and x+y+z+n=1, the method comprising the steps of: —providing a feed solution comprising Ni-, Mn-, Co- and A-ions, and having a molar metal content M″ feed, —providing an ionic solution comprising either one or both of a carbonate and a bicarbonate solution, the ionic solution further comprising either one or both of Na- and K-ions, —providing a slurry comprising seeds comprising M′-ions and having a molar metal content M′ seeds, wherein M′=Nix′Mny′Coz′A′n′, A′ being a dopant, with 0≦x′≦1, 0≦y′≦1, 0≦z′≦1, 0≦n′≦1 and x′+y′+z′+n′=1, and wherein the molar ratio M′ seeds/M″ feed is between 0.001 and 0.1, —mixing the feed solution, the ionic solution and the slurry in the reactor, thereby obtaining a reactive liquid mixture, —precipitating a carbonate onto the seeds in the reactive liquid mixture, thereby obtaining a reacted liquid mixture and the M-carbonate precursor, and —separating the M-carbonate precursor from the reacted liquid mixture.

公开(公告)号：US20150311524A1

公开(公告)日：2015-10-29

申请号：US14650979

申请日：2013-11-27

Applicant: UMICORE ,  UMICORE KOREA LTD.

Inventor： Jens PAULSEN ,  HyeYun YANG

IPC: H01M4/525 ,  H01M4/505 ,  H01M4/36

CPC classification number: H01M4/525 ,  H01M4/02 ,  H01M4/131 ,  H01M4/366 ,  H01M4/505 ,  H01M2004/021 ,  H01M2004/028

Abstract: A positive electrode for a rechargeable battery comprising at least 95% active cathode material with an electrode loading of at least 6 mg/cm2, and preferably at least 10 mg/cm2, and an electrode porosity of less than 2%, and preferably less than 1%. The active cathode material may comprise a bimodal composition wherein at least 70% consists of a first lithium cobalt based oxide powder having an average particle size (D50) of at least 25 μm and a BET value

Abstract translation: 一种用于可再充电电池的正电极，包括至少95％的活性阴极材料，电极负载量至少为6mg / cm 2，优选为至少10mg / cm 2，电极孔隙率小于2％，优选小于 1％。 活性阴极材料可以包括双峰组合物，其中至少70％由平均粒径（D50）至少为25μm，BET值<0.2m 2 / g的第一种锂钴氧化物粉末和第二种锂 具有式Li1 + bN1-bO2的过渡金属氧化物基粉末，其中0.10和nlE; b＆nlE; 0.25和N = NixMnyCo2Ad，其中0.10和nlE; x和nlE; 0.40,0.30和nlE; y和nlE; 0.80,0

公开(公告)号：US12288872B2

公开(公告)日：2025-04-29

申请号：US17623720

申请日：2020-07-02

Applicant: UMICORE ,  UMICORE KOREA LTD.

Inventor： Maxime Blangero ,  KyungSub Jung ,  Bin-Na Yun ,  Olesia Karakulina

IPC: H01M4/36 ,  C01G53/00 ,  C01G53/50 ,  H01M4/02 ,  H01M4/04 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M4/58 ,  H01M10/0525

Abstract: A positive electrode active material powder suitable for lithium-ion batteries, comprising lithium transition metal-based oxide particles, said particles comprising a core and a surface layer, said surface layer being on top of said core, said particles comprising the elements: Li, M′ and oxygen, wherein M′ has a formula: M′=NizMnyCoxAk, wherein A is a dopant, 0.60≤z≤0.90, 0.05≤y≤0.20, 0.05≤x≤0.20, x+y+z+k=1, and k≥0.01, said positive electrode active material powder having a median particle size D50 ranging from 5 μm to 15 μm, a span ranging from 0.25 to 0.90, and a surface layer thickness ranging from 10 nm to 200 nm, said surface layer comprising: sulfur in a content superior or equal to 0.150 wt % and inferior or equal to 0.375 wt % with respect to the total weight of the positive electrode active material powder, and sulfate ion (SO42−) in a content superior or equal to 4500 ppm and inferior or equal to 11250 ppm.

公开(公告)号：US12227430B2

公开(公告)日：2025-02-18

申请号：US17414998

申请日：2019-12-10

Applicant: UMICORE ,  UMICORE KOREA LTD.

Inventor： KyeongSe Song ,  AReum Park ,  HeeSuk Ku ,  JinWook Kim

IPC: C01G51/04 ,  H01M4/04 ,  H01M4/525

Abstract: A cobalt oxide precursor powder for use in preparing a positive electrode active material and methods of production thereof are described. The precursor powder comprises particles has a Fd-3m structure and a formula Co1-yAyOx, wherein 1

公开(公告)号：US12002953B2

公开(公告)日：2024-06-04

申请号：US17236058

申请日：2021-04-21

Applicant: UMICORE ,  UMICORE KOREA LTD.

Inventor： Maxime Blangero ,  Liang Zhu ,  YuRi Lee ,  Kris Driesen

IPC: H01M4/525 ,  C01G53/00 ,  H01M4/505 ,  H01M4/02 ,  H01M10/0525

CPC classification number: H01M4/525 ,  C01G53/50 ,  H01M4/505 ,  C01P2002/52 ,  C01P2004/84 ,  C01P2006/40 ,  H01M2004/028 ,  H01M10/0525

Abstract: The present invention relates to positive electrode active materials in rechargeable lithium-ion batteries having a difference in cobalt concentration between the center and the edge of particle.

公开(公告)号：US20230411615A1

公开(公告)日：2023-12-21

申请号：US18035135

申请日：2021-11-03

Applicant: UMICORE ,  UMICORE KOREA LTD.

Inventor： Shinichi KUMAKURA ,  JiHoon KANG ,  TaeHyeon YANG ,  Jens Martin PAULSEN

IPC: H01M4/525 ,  C01G53/00 ,  H01M4/505 ,  H01M4/62 ,  H01M10/0565 ,  H01M10/0525

CPC classification number: H01M4/525 ,  C01G53/44 ,  H01M4/505 ,  H01M4/62 ,  H01M10/0565 ,  H01M10/0525 ,  C01P2006/40 ,  C01P2004/03 ,  C01P2002/85 ,  C01P2004/61 ,  H01M2004/028

Abstract: The present invention provides a positive electrode active oxide material for rechargeable batteries, comprising lithium, nickel, and at least one metal selected from the group comprising manganese and cobalt, whereby said positive electrode active material has a single-crystalline morphology and said surface layer further comprises aluminum and fluorine, wherein the atomic ratio of Al to a total amount of Ni, Mn, and/or Co of 1.0 to 7.0, and wherein said surface layer has an atomic ratio of F to a total amount of Ni, Mn, and/or Co of 0.5 to 6.0, as determined by XPS analysis.